получить значительную спекулятивную прибыль(If there is uncertainty about future gold prices, you could be lucky and make a killing. • He was clever. He invested a lot of money in property. When prices went up, he made a killing.)
быстро заработать много денег(to earn a lot of money in a short time and with little effort: They made a killing with the sale of their London house. • Senior executives have made a killing through massive pay rises. • The boss of Britain's top pizza company made a killing yesterday by selling off some of his shares.TarasZ)
